TY  - BOOK
AU  - Somerhalder R
AU  -  Westrhenen S C Van
TI  - Theory of computabilty: programs, machines, effectiveness and feasibility
T2  - /international computer science series
U1  - D65,8(B):(B288), M8 
PY  - 1998///
CY  - Workingham
PB  - Addsion Wesley        
KW  -  Computer science irt maths
KW  -  Database mangement
KW  - Computer science
ER  -